CRISPR was found in bacteria, which use it to cut the DNA of invading viruses, and it may not be unique. (sciencemag.org)
Using a 3D, stem cell - based model of a first - trimester human brain, the team discovered that Zika activates TLR3, a molecule human cells normally use to defend against invading viruses. (sciencedaily.com)
CRISPR - Cas copies snippets of DNA from invading viruses so that subsequent generations of bacteria can repel these pathogens more effectively. (sciencedaily.com)